Example usage for java.lang String hashCode

Introduction

In this page you can find the example usage for java.lang String hashCode.

Prototype

public int hashCode() 

Source Link

Document

Returns a hash code for this string.

Usage

From source file:net.demilich.metastone.game.behaviour.decicionTreeBheavior.DecisionDataBase.java

public CardContextKnowledge getCardKnowledge(String name) {
    int index = this.hashToIndex.get(name.hashCode());
    if (index == -1) {
        System.err.println("could not find " + name);
        return null;
    }/*www  .j a va 2s  .co  m*/
    return database[this.hashToIndex.get(name.hashCode())];
}

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From source file:de.schildbach.wallet.goldcoin.ExchangeRatesProvider.java

@Override
public Cursor query(final Uri uri, final String[] projection, final String selection,
        final String[] selectionArgs, final String sortOrder) {
    final long now = System.currentTimeMillis();

    if (exchangeRates == null || now - lastUpdated > UPDATE_FREQ_MS) {
        Map<String, ExchangeRate> newExchangeRates = getBitcoinCharts();//getLitecoinCharts();

        if (exchangeRates == null && newExchangeRates == null)
            newExchangeRates = getBlockchainInfo();

        if (newExchangeRates == null)
            newExchangeRates = getLitecoinCharts();

        if (newExchangeRates != null) {
            exchangeRates = newExchangeRates;
            lastUpdated = now;//from  w  w w  .j  av  a2s  .c  om
        }
    }

    if (exchangeRates == null)
        return null;

    final MatrixCursor cursor = new MatrixCursor(
            new String[] { BaseColumns._ID, KEY_CURRENCY_CODE, KEY_RATE, KEY_SOURCE });

    if (selection == null) {
        for (final Map.Entry<String, ExchangeRate> entry : exchangeRates.entrySet()) {
            final ExchangeRate rate = entry.getValue();
            cursor.newRow().add(entry.getKey().hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
        }
    } else if (selection.equals(KEY_CURRENCY_CODE)) {
        final String code = selectionArgs[0];
        final ExchangeRate rate = exchangeRates.get(code);
        try {
            cursor.newRow().add(code.hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
        } catch (NullPointerException e) {
            Log.e("GoldCoin", "Unable to add an exchange rate.  NullPointerException.");
        }
    }

    return cursor;
}

---

From source file:com.cannabiscoin.wallet.ExchangeRatesProvider.java

@Override
public Cursor query(final Uri uri, final String[] projection, final String selection,
        final String[] selectionArgs, final String sortOrder) {
    final long now = System.currentTimeMillis();

    if (lastUpdated == 0 || now - lastUpdated > UPDATE_FREQ_MS) {
        Map<String, ExchangeRate> newExchangeRates = null;
        if (newExchangeRates == null)
            newExchangeRates = requestExchangeRates(BITCOINAVERAGE_URL, userAgent, BITCOINAVERAGE_FIELDS);
        if (newExchangeRates == null)
            newExchangeRates = requestExchangeRates(BLOCKCHAININFO_URL, userAgent, BLOCKCHAININFO_FIELDS);

        if (newExchangeRates != null) {
            exchangeRates = newExchangeRates;
            lastUpdated = now;/*  www .  ja  v a2  s.  c  o m*/

            final ExchangeRate exchangeRateToCache = bestExchangeRate(config.getExchangeCurrencyCode());
            if (exchangeRateToCache != null)
                config.setCachedExchangeRate(exchangeRateToCache);
        }
    }

    if (exchangeRates == null)
        return null;

    final MatrixCursor cursor = new MatrixCursor(
            new String[] { BaseColumns._ID, KEY_CURRENCY_CODE, KEY_RATE, KEY_SOURCE });

    if (selection == null) {
        for (final Map.Entry<String, ExchangeRate> entry : exchangeRates.entrySet()) {
            final ExchangeRate rate = entry.getValue();
            cursor.newRow().add(rate.currencyCode.hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
        }
    } else if (selection.equals(QUERY_PARAM_Q)) {
        final String selectionArg = selectionArgs[0].toLowerCase(Locale.US);
        for (final Map.Entry<String, ExchangeRate> entry : exchangeRates.entrySet()) {
            final ExchangeRate rate = entry.getValue();
            final String currencyCode = rate.currencyCode;
            final String currencySymbol = GenericUtils.currencySymbol(currencyCode);
            if (currencyCode.toLowerCase(Locale.US).contains(selectionArg)
                    || currencySymbol.toLowerCase(Locale.US).contains(selectionArg))
                cursor.newRow().add(currencyCode.hashCode()).add(currencyCode).add(rate.rate.longValue())
                        .add(rate.source);
        }
    } else if (selection.equals(KEY_CURRENCY_CODE)) {
        final String selectionArg = selectionArgs[0];
        final ExchangeRate rate = bestExchangeRate(selectionArg);
        if (rate != null)
            cursor.newRow().add(rate.currencyCode.hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
    }

    return cursor;
}

---

From source file:net.demilich.metastone.game.behaviour.decicionTreeBheavior.DecisionDataBase.java

public double getDecision(GameContext context, String actionName, Player player) {
    int hash = actionName.hashCode();
    int index = hashToIndex.get(hash);
    if (index == -1) {
        //System.err.println("couldn't find card " + actionName);
        return 0;
    }//from  w w  w.  ja  v a  2  s . com
    CardContextKnowledge knowledge = database[index];
    if (prevTurn == context.getTurn()) {
        modified = false;
    } else {
        prevTurn = context.getTurn();
    }
    furfillOrder(context, knowledge, player);
    //Example query = new Example(featureData);

    return knowledge.classify(featureData);
    // return knowledge.probMax.percentGood;
}

---

From source file:com.opengamma.core.position.impl.SimpleTrade.java

@SuppressWarnings("unchecked")
@Override/*from  w  ww  . jav a 2s.co m*/
protected void propertySet(String propertyName, Object newValue, boolean quiet) {
    switch (propertyName.hashCode()) {
    case -294460212: // uniqueId
        setUniqueId((UniqueId) newValue);
        return;
    case -1285004149: // quantity
        setQuantity((BigDecimal) newValue);
        return;
    case 807992154: // securityLink
        setSecurityLink((SecurityLink) newValue);
        return;
    case -1651301782: // counterparty
        setCounterparty((Counterparty) newValue);
        return;
    case 752419634: // tradeDate
        setTradeDate((LocalDate) newValue);
        return;
    case 752903761: // tradeTime
        setTradeTime((OffsetTime) newValue);
        return;
    case -318452137: // premium
        setPremium((Double) newValue);
        return;
    case 1136581512: // premiumCurrency
        setPremiumCurrency((Currency) newValue);
        return;
    case 651701925: // premiumDate
        setPremiumDate((LocalDate) newValue);
        return;
    case 652186052: // premiumTime
        setPremiumTime((OffsetTime) newValue);
        return;
    case 405645655: // attributes
        setAttributes((Map<String, String>) newValue);
        return;
    }
    super.propertySet(propertyName, newValue, quiet);
}

---

From source file:cz.cas.lib.proarc.common.export.desa.DesaServices.java

private Nomenclatures getNomenclaturesCache(DesaConfiguration dc, UserProfile user) {
    File tmpFolder = FileUtils.getTempDirectory();
    File cache = null;// w ww . ja va 2 s .co  m
    String operator = getOperatorName(user, dc);
    if (operator == null || operator.isEmpty()) {
        throw new IllegalStateException("Missing operator! id: " + dc.getServiceId() + ", user: "
                + (user == null ? null : user.getUserName()));
    }
    long expiration = dc.getNomenclatureExpiration();
    if (expiration != 0) {
        synchronized (DesaServices.this) {
            // ensure the filename is platform safe and unique for each operator
            String codeAsFilename = String.valueOf(operator.hashCode() & 0x00000000ffffffffL);
            cache = new File(tmpFolder,
                    String.format("%s.%s.nomenclatures.cache", dc.getServiceId(), codeAsFilename));
            if (cache.exists()
                    && (expiration < 0 || System.currentTimeMillis() - cache.lastModified() < expiration)) {
                return JAXB.unmarshal(cache, Nomenclatures.class);
            }
        }
    }
    String producerCode = getProducerCode(user, dc);
    if (producerCode == null || producerCode.isEmpty()) {
        throw new IllegalStateException("Missing producer code! id: " + dc.getServiceId() + ", user: "
                + (user == null ? null : user.getUserName()));
    }
    DesaClient desaClient = getDesaClient(dc);
    Nomenclatures nomenclatures = desaClient.getNomenclatures(operator, producerCode,
            dc.getNomenclatureAcronyms());
    if (cache != null) {
        synchronized (DesaServices.this) {
            JAXB.marshal(nomenclatures, cache);
        }
    }
    return nomenclatures;
}

---

From source file:de.tudarmstadt.lt.ltbot.postprocessor.DecesiveValueProducerPerplexity.java

double getPerplexity(CrawlURI uri) {
    assert _lmprvdr != null : "String provider service must not be null here. This should have been checked before.";

    String cleaned_plaintext = _textExtractorInstance.getCleanedUtf8PlainText(uri).trim();
    String cleaned_plaintext_abbr = MULTIPLE_SPACES_PATTERN
            .matcher(StringUtils.abbreviate(cleaned_plaintext, 50)).replaceAll(" ");
    addExtraInfo(uri, EXTRA_INFO_PLAINTEXT_ABBREVIATED, cleaned_plaintext_abbr);
    if (cleaned_plaintext.isEmpty())
        return Double.POSITIVE_INFINITY;
    double perplexity = Double.POSITIVE_INFINITY;
    try {/*from www  .ja v a  2  s. c o  m*/
        String docid = "#" + Integer.toHexString(cleaned_plaintext.hashCode());
        LOG.finest(String.format("Sending text with id '%s' to StringProvider: '%s' (length %d).", docid,
                cleaned_plaintext_abbr, cleaned_plaintext.length()));
        perplexity = computePerplexity(cleaned_plaintext);
        //         if (Double.isNaN(perplexity)) {
        //            double perplexity_new = -1d;
        //            LOG.log(Level.WARNING, String.format("[%s '%s'] failed to get meaningful perplexity: %g. Setting perplexity to %g.", uri.toString(), cleaned_plaintext_abbr, perplexity, perplexity_new));
        //            perplexity = perplexity_new;
        //         }
        LOG.finest(String.format("[%s, '%s'] perplexity: %g.", uri.toString(), cleaned_plaintext_abbr,
                perplexity));
    } catch (Throwable t) {
        for (int i = 1; t != null && i < 10; i++) {
            LOG.log(Level.SEVERE,
                    String.format("Could not compute perplexity for URI '%s' and text: '%s'. (%d %s:%s)",
                            uri.toString(), cleaned_plaintext_abbr, i, t.getClass().getSimpleName(),
                            t.getMessage()),
                    t);
            t = t.getCause();
            LOG.log(Level.SEVERE, "Requesting to pause crawl.");
            getCrawlController().requestCrawlPause();
            _paused_due_to_error = true;
        }
    }
    if (!Double.isFinite(perplexity) || perplexity <= 1) {
        LOG.log(Level.FINE,
                String.format(
                        "[%s '%s'] resetting infinite perplexity to predefined maximum perplexity value (-1).",
                        uri.toString(), cleaned_plaintext_abbr));
        perplexity = -1;
    }
    return perplexity;
}

---

From source file:net.demilich.metastone.game.behaviour.decicionTreeBheavior.DecisionDataBase.java

public void addFeature(String name, boolean enemy, boolean minion) {
    int hash = name.hashCode();
    if (!enemy) {
        if (!hashToIndex.containsKey(hash)) {
            database[databaseCount] = new CardContextKnowledge(name, hash);
            hashToIndex.put(hash, databaseCount);
            databaseCount++;/* w w  w  .ja  va 2s  . c om*/
        }
    }
    if (enemy) {
        featureAndHash[0][enemyHandIndex] = enemyHandIndex;
        featureAndHash[1][enemyHandIndex] = hash;
        featureNames[enemyHandIndex] = "EH:" + name;
        this.featureHashToIndex.put(featureNames[enemyHandIndex].hashCode(), enemyHandIndex);
        enemyHandIndex++;
        if (minion) {
            featureAndHash[0][enemyMinionIndex] = enemyMinionIndex;
            featureAndHash[1][enemyMinionIndex] = hash;
            featureNames[enemyMinionIndex] = "EB:" + name;
            this.featureHashToIndex.put(featureNames[enemyMinionIndex].hashCode(), enemyMinionIndex);
            enemyMinionIndex++;
        }
    } else {
        featureAndHash[0][myHandIndex] = myHandIndex;
        featureAndHash[1][myHandIndex] = hash;
        featureNames[myHandIndex] = "MH:" + name;
        this.featureHashToIndex.put(featureNames[myHandIndex].hashCode(), myHandIndex);
        myHandIndex++;
        if (minion) {
            featureAndHash[0][myMinionIndex] = myMinionIndex;
            featureAndHash[1][myMinionIndex] = hash;
            featureNames[myMinionIndex] = "MB:" + name;
            this.featureHashToIndex.put(featureNames[myMinionIndex].hashCode(), myMinionIndex);
            myMinionIndex++;
        }
    }
}

---

From source file:com.example.android.uamp.model.RemoteJSONSource.java

private MediaMetadataCompat buildFromJSON(JSONObject json, String basePath) throws JSONException {
    String title = json.getString(JSON_TITLE);
    String album = json.getString(JSON_ALBUM);
    String artist = json.getString(JSON_ARTIST);
    String genre = json.getString(JSON_GENRE);
    String source = json.getString(JSON_SOURCE);
    String iconUrl = json.getString(JSON_IMAGE);
    int trackNumber = json.getInt(JSON_TRACK_NUMBER);
    int totalTrackCount = json.getInt(JSON_TOTAL_TRACK_COUNT);
    int duration = json.getInt(JSON_DURATION) * 1000; // ms

    LogHelper.d(TAG, "Found music track: ", json);

    // Media is stored relative to JSON file
    if (!source.startsWith("http")) {
        source = basePath + source;//from  w ww . j a  va  2  s.  co m
    }
    if (!iconUrl.startsWith("http")) {
        iconUrl = basePath + iconUrl;
    }
    // Since we don't have a unique ID in the server, we fake one using the hashcode of
    // the music source. In a real world app, this could come from the server.
    String id = String.valueOf(source.hashCode());

    // Adding the music source to the MediaMetadata (and consequently using it in the
    // mediaSession.setMetadata) is not a good idea for a real world music app, because
    // the session metadata can be accessed by notification listeners. This is done in this
    // sample for convenience only.
    //noinspection ResourceType
    return new MediaMetadataCompat.Builder().putString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID, id)
            .putString(MusicProviderSource.CUSTOM_METADATA_TRACK_SOURCE, source)
            .putString(MediaMetadataCompat.METADATA_KEY_ALBUM, album)
            .putString(MediaMetadataCompat.METADATA_KEY_ARTIST, artist)
            .putLong(MediaMetadataCompat.METADATA_KEY_DURATION, duration)
            .putString(MediaMetadataCompat.METADATA_KEY_GENRE, genre)
            .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ART_URI, iconUrl)
            .putString(MediaMetadataCompat.METADATA_KEY_TITLE, title)
            .putLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER, trackNumber)
            .putLong(MediaMetadataCompat.METADATA_KEY_NUM_TRACKS, totalTrackCount).build();
}

---

From source file:mvm.rya.indexing.accumulo.freetext.AccumuloFreeTextIndexer.java

private void storeStatement(Statement statement) throws IOException {
    // if the predicate list is empty, accept all predicates.
    // Otherwise, make sure the predicate is on the "valid" list
    boolean isValidPredicate = validPredicates.isEmpty() || validPredicates.contains(statement.getPredicate());

    if (isValidPredicate && (statement.getObject() instanceof Literal)) {

        // Get the tokens
        String text = statement.getObject().stringValue().toLowerCase();
        SortedSet<String> tokens = tokenizer.tokenize(text);

        if (!tokens.isEmpty()) {
            // Get Document Data
            String docContent = StatementSerializer.writeStatement(statement);

            String docId = Md5Hash.md5Base64(docContent);

            // Setup partition
            Text partition = genPartition(docContent.hashCode(), docTableNumPartitions);

            Mutation docTableMut = new Mutation(partition);
            List<Mutation> termTableMutations = new ArrayList<Mutation>();

            Text docIdText = new Text(docId);

            // Store the Document Data
            docTableMut.put(ColumnPrefixes.DOCS_CF_PREFIX, docIdText,
                    new Value(docContent.getBytes(Charsets.UTF_8)));

            // index the statement parts
            docTableMut.put(ColumnPrefixes.getSubjColFam(statement), docIdText, EMPTY_VALUE);
            docTableMut.put(ColumnPrefixes.getPredColFam(statement), docIdText, EMPTY_VALUE);
            docTableMut.put(ColumnPrefixes.getObjColFam(statement), docIdText, EMPTY_VALUE);
            docTableMut.put(ColumnPrefixes.getContextColFam(statement), docIdText, EMPTY_VALUE);

            // index the statement terms
            for (String token : tokens) {
                // tie the token to the document
                docTableMut.put(ColumnPrefixes.getTermColFam(token), docIdText, EMPTY_VALUE);

                // store the term in the term table (useful for wildcard searches)
                termTableMutations.add(createEmptyPutMutation(ColumnPrefixes.getTermListColFam(token)));
                termTableMutations.add(createEmptyPutMutation(ColumnPrefixes.getRevTermListColFam(token)));
            }/*from  w  ww  .  j av a2 s  .  c  om*/

            // write the mutations
            try {
                docTableBw.addMutation(docTableMut);
                termTableBw.addMutations(termTableMutations);
            } catch (MutationsRejectedException e) {
                logger.error("error adding mutation", e);
                throw new IOException(e);
            }

        }

    }
}

---

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